What really motivates people? It’s a question that has intrigued psychologists, educators, and leaders for decades. Whether it’s improving student engagement, boosting job satisfaction, or designing effective therapy, understanding the “why” behind human behaviour is essential.
Charles R.W. Sears’ motivational strata model (MSM) offers a fresh way to look at motivation. Instead of a simple, step-by-step hierarchy, it sees motivation as a set of layers that interact and shift depending on our circumstances, culture, and personal values. Life isn’t linear, and neither is our motivation.
The MSM is rooted in established psychological theories. Self-determination theory tells us that autonomy, competence, and connection are key drivers, and that internal satisfaction can work alongside external rewards. Expectancy-Value Theory explains that we’re more likely to act when we believe we can succeed and when the goal is meaningful. The MSM blends these ideas into a flexible framework that reflects the complexity of real life.
One of its strengths is how it updates Abraham Maslow’s famous hierarchy of needs. Maslow’s pyramid suggests we must meet basic needs before moving to higher ones, but the MSM recognises that we often pursue several goals at once. You might search for creative fulfilment while still building financial security, or prioritise belonging while working on personal safety. It also avoids a purely Western perspective, acknowledging that in many cultures, community and harmony matter as much as individual achievement.
The MSM also aligns with Erik Erikson’s psychosocial theory, which maps the social and emotional challenges we face throughout life. For example, Erikson’s early adulthood stage of intimacy versus isolation mirrors the MSM’s recognition of our deep need for connection. Both models show that our motivations are shaped by relationships and culture, not just personal ambition.
In practice, the MSM can be useful in many fields. Therapists can uncover whether a client’s struggles come from unmet needs for purpose or belonging rather than a lack of skill. Teachers can design lessons that connect with different motivational levels, making learning more engaging. In the workplace, HR teams can use it to match roles with people’s core motivators, improving satisfaction and retention.
That said, the MSM is still a new model. It doesn’t yet have the decades of research that back up older frameworks. Future studies could develop tools to assess a person’s motivational profile or track how motivations shift over time. Connecting the model with neuroscience could also reveal the brain processes behind each layer.
The motivational strata model offers a richer, more flexible picture of what drives us. By recognising that motivations are layered, dynamic, and influenced by context, it goes beyond rigid hierarchies to better capture the realities of human behaviour. For researchers and practitioners alike, it’s a promising tool for understanding (and working with) human motivation in all its complexity.
Hareem Naqvi is a a long-time Komodo dragon enthusiast from northern Myanmar. He speaks Vietnamese with a hint of a Ukrainian accent.